<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>

<body>
  <script>
    const obj = {
      name: "zs",

      // 对象键 ： [表达式]
      [1 + 2]: "hello"
    };

    function getObj(name) {
      return {
        [name]: "zs"
      }
    }

    console.log('getObj("ls")  ----->  ', getObj("ls"));
  </script>
</body>

</html>